There are total 5 hours or 300 minutes from 4pm to 9pm. In words, this duration is equal to five hours or three hundred minutes.
How many hours from
| 2AM to 11PM | 10AM to 1PM | 2PM to 9AM |
| 12AM to 3AM | 10PM to 4PM | 3PM to 8AM |
| 5PM to 6PM | 11AM to 4PM | 4PM to 2AM |
| 11PM to 8PM | 7AM to 11PM | 1PM to 7PM |
| 9AM to 8PM | 9PM to 12AM | 6AM to 12PM |
| 3AM to 8PM | 6PM to 11AM | 11AM to 6PM |
